A probabilistic model-based approach to consistent white matter tract segmentation.

A probabilistic model-based approach to consistent white matter tract segmentation. Research Abstract Details 

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A probabilistic model-based approach to consistent white matter tract segmentation. Abstract Text:

Jonathan D Clayden,Amos J Storkey,Mark E Bastin,Jonathan D Clayden,Amos J Storkey,Mark E Bastin,

Since the invention of diffusion magnetic resonance imaging (dMRI), currently the only established method for studying white matter connectivity in a clinical environment, there has been a great deal of interest in the effects of various pathologies on the connectivity of the brain. As methods for in vivo tractography have been developed, it has become possible to track and segment specific white matter structures of interest for particular study. However, the consistency and reproducibility of tractography-based segmentation remain limited, and attempts to improve them have thus far typically involved the imposition of strong constraints on the tract reconstruction process itself. In this work we take a different approach, developing a formal probabilistic model for the relationships between comparable tracts in different scans, and then using it to choose a tract, a posteriori, which best matches a predefined reference tract for the structure of interest. We demonstrate that this method is able to significantly improve segmentation consistency without directly constraining the tractography algorithm.

A probabilistic model-based approach to consistent white matter tract segmentation. Publishing Authors By Initials

JD Clayden,AJ Storkey,ME Bastin,JD Clayden,AJ Storkey,ME Bastin,

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A probabilistic model-based approach to consistent white matter tract segmentation. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: IEEE transactions on medical imaging

VOLUME: 26

Page Numbers: 1555-61

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ISSN: 0278-0062

DAY: 28

MONTH: Nov

YEAR: 2007

A probabilistic model-based approach to consistent white matter tract segmentation. Information

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LANGUAGE: eng

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Grant and Affiliation Information for A probabilistic model-based approach to consistent white matter tract segmentation.

AFFILIATION: Neuroinformatics Doctoral Training Centre, School of Informatics, University of Edinburgh, Edinburgh EHI 2QL, UK.

Country: United States

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MEDLINETA: IEEE Trans Med Imaging

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